<!DOCTYPE html>
<head>
<meta charset="utf-8"/>
<meta name="timeout" content="long">
<title>Service Worker: Partitioned Cookies 3P Credentialless Iframe</title>
<script src="/resources/testharness.js"></script>
<script src="test-helpers.sub.js"></script>
<script src="/common/get-host-info.sub.js"></script>
</head>

<body>
<script>

// Check workers registered by a credentialless frame can access cookies set in that frame.
promise_test(async t => {
  const script = './partitioned-cookies-3p-sw.js';
  const scope = './partitioned-cookies-3p-';
  const absolute_scope = new URL(scope, window.location).href;

  // Set a Partitioned cookie.
  document.cookie = '__Host-partitioned=123; Secure; Path=/; SameSite=None; Partitioned;';
  assert_true(document.cookie.includes('__Host-partitioned=123'));

  // Make sure DOM cannot access the unpartitioned cookie.
  assert_false(document.cookie.includes('unpartitioned=456'));

  const reg = await service_worker_unregister_and_register(t, script, scope);
  await wait_for_state(t, reg.installing, 'activated');

  let retrieved_registrations =
        await navigator.serviceWorker.getRegistrations();
  let filtered_registrations =
      retrieved_registrations.filter(reg => reg.scope == absolute_scope);

  // on_message will be reassigned below based on the expected reply from the service worker.
  let on_message;
  self.addEventListener('message', ev => on_message(ev));
  navigator.serviceWorker.addEventListener('message', evt => {
    self.postMessage(evt.data, '*');
  });

  // First test that the worker script started correctly and message passing is enabled.
  let resolve_wait_promise;
  let wait_promise = new Promise(resolve => {
    resolve_wait_promise = resolve;
  });
  let got;
  on_message = ev => {
    got = ev.data;
    resolve_wait_promise();
  };
  filtered_registrations[0].active.postMessage({type: 'test_message'});
  await wait_promise;
  assert_true(got.ok, 'Message passing');

  // Test that the partitioned cookie is available to this worker via CookieStore API.
  wait_promise = new Promise(resolve => {
    resolve_wait_promise = resolve;
  });
  on_message = ev => {
    got = ev.data;
    resolve_wait_promise();
  };
  filtered_registrations[0].active.postMessage({type: 'echo_cookies_js'});
  await wait_promise;
  assert_true(got.ok, 'Get cookies');
  assert_true(
      got.cookies.includes('__Host-partitioned'),
      'Credentialless frame worker can access partitioned cookie via JS');
  assert_false(
      got.cookies.includes('unpartitioned'),
      'Credentialless frame worker cannot access unpartitioned cookie via JS');

  // Test that the partitioned cookie is available to this worker via HTTP.
  wait_promise = new Promise(resolve => {
    resolve_wait_promise = resolve;
  });
  on_message = ev => {
    got = ev.data;
    resolve_wait_promise();
  };
  filtered_registrations[0].active.postMessage({ type: 'echo_cookies_http' });
  await wait_promise;
  assert_true(got.ok, 'Get cookies');
  assert_true(
      got.cookies.includes('__Host-partitioned'),
      'Credentialless frame worker can access partitioned cookie via HTTP');
  assert_false(
      got.cookies.includes('unpartitioned'),
      'Credentialless frame worker cannot access unpartitioned cookie via HTTP');

  // Test that the partitioned cookie is not available to this worker in HTTP
  // requests from importScripts.
  wait_promise = new Promise(resolve => {
    resolve_wait_promise = resolve;
  });
  on_message = ev => {
    got = ev.data;
    resolve_wait_promise();
  };
  filtered_registrations[0].active.postMessage({ type: 'echo_cookies_import' });
  await wait_promise;
  assert_true(got.ok, 'Get cookies');
  assert_true(
      got.cookies.includes('__Host-partitioned'),
      'Credentialless frame worker can access partitioned cookie via importScripts');
  assert_false(
      got.cookies.includes('unpartitioned'),
      'Credentialless frame worker cannot access unpartitioned cookie via importScripts');
});

</script>
</body>
</html>
